| Klamath Falls to Cividale del Friuli | 5,743.16 mi (9,242.72 km) |
| Klamath Falls to Civita Castellana | 5,939.41 mi (9,558.56 km) |
| Klamath Falls to Civitanova Marche | 5,915.76 mi (9,520.50 km) |
| Klamath Falls to Civitavecchia | 5,934.15 mi (9,550.09 km) |
| Klamath Falls to Civitella in Val di Chiana | 5,855.23 mi (9,423.08 km) |
| Klamath Falls to Clusone | 5,665.11 mi (9,117.12 km) |
| Klamath Falls to Coccaglio | 5,684.23 mi (9,147.88 km) |
| Klamath Falls to Codigoro | 5,783.41 mi (9,307.50 km) |
| Klamath Falls to Codogno | 5,699.93 mi (9,173.15 km) |
| Klamath Falls to Codroipo | 5,739.74 mi (9,237.21 km) |
| Klamath Falls to Cogoleto | 5,714.60 mi (9,196.76 km) |
| Klamath Falls to Colle di Val d'Elsa | 5,840.32 mi (9,399.08 km) |
| Klamath Falls to Colle Salvetti | 5,810.91 mi (9,351.75 km) |
| Klamath Falls to Collecchio | 5,737.39 mi (9,233.44 km) |
| Klamath Falls to Colleferro | 5,988.89 mi (9,638.19 km) |
